Subtract 10/36 from 72/15
1st number: 4 12/15, 2nd number: 10/36
72/15 - 10/36 is 407/90.
Steps for subtracting fractions
- Find the least common denominator or LCM of the two denominators:
LCM of 15 and 36 is 180
Next, find the equivalent fraction of both fractional numbers with denominator 180 - For the 1st fraction, since 15 × 12 = 180,
72/15 = 72 × 12/15 × 12 = 864/180 - Likewise, for the 2nd fraction, since 36 × 5 = 180,
10/36 = 10 × 5/36 × 5 = 50/180 - Subtract the two like fractions:
864/180 - 50/180 = 864 - 50/180 = 814/180 - After reducing the fraction, the answer is 407/90
- In mixed form: 447/90
MathStep (Works offline)
Download our mobile app and learn to work with fractions in your own time:
Android and iPhone/ iPad
Related: 72/15-20/36 72/30-10/36 72/15-10/72 72/15-30/36 72/45-10/36 72/15-50/36 72/75-10/36 72/15-70/36